diff --git a/samplecode/SampleThinAA.cpp b/samplecode/SampleThinAA.cpp
index 92aa202..8067827 100644
--- a/samplecode/SampleThinAA.cpp
+++ b/samplecode/SampleThinAA.cpp
@@ -403,8 +403,8 @@
                 case 'u': fAngle = 0.f; return true;
                 case 'y': fAngle = 90.f; return true;
                 case ' ': fAngle = SkScalarMod(fAngle + 15.f, 360.f); return true;
-                case '-': fStrokeWidth = SkMaxScalar(0.1f, fStrokeWidth - 0.05f); return true;
-                case '=': fStrokeWidth = SkMinScalar(1.f, fStrokeWidth + 0.05f); return true;
+                case '-': fStrokeWidth = std::max(0.1f, fStrokeWidth - 0.05f); return true;
+                case '=': fStrokeWidth = std::min(1.f, fStrokeWidth + 0.05f); return true;
             }
             return false;
     }